Wellbore servicing materials and methods of making and using same

Abstract

Wellbore servicing fluid are provided that comprise a viscosifying polymeric material, a breaking agent comprising an inorganic peroxide of a divalent metal M(II) characterized by the general formula MO 2 , and a break rate controlling additive comprising a M(II) soluble salt, a M(II) precipitating salt, a M(II) surface precipitating salt, a M(II) solution precipitating salt, or combinations thereof.

What is claimed is: 
     
       1. An aqueous based wellbore servicing fluid comprising:
 a viscosifying polymeric material; 
 a breaking agent comprising an inorganic peroxide of a divalent metal M(II) characterized by the general formula MO 2 ; 
 a break rate controlling additive comprising a salt selected from the group consisting of: a M(II) soluble salt, a M(II) precipitating salt, a M(II) surface precipitating salt, a M(II) solution precipitating salt, and any combination thereof; and 
 a crosslinker selected from the group consisting of: a polyvalent metal ion, an aluminum ion, a zirconium ion, a titanium ion, an antimony ion, a polyvalent metal ion complex, an aluminum complex, a zirconium complex, a titanium complex, an antimony complex, a boron compound, borate, borax, boric acid, calcium borate, magnesium borate, a borate ester, a polyborate, a polymer bound boronic acid, a polymer bound borate, a polyacrylamide bound borate, and any combination thereof. 
 
     
     
       2. The wellbore servicing fluid of  claim 1  wherein the viscosifying polymeric material is selected from the group consisting of: polysaccharide, a guar, a locust bean gum, a Karaya gum, a gum tragacanth, a hydroxypropyl guar, a carboxymethyl guar, a carboxymethyl hydroxypropyl guar, a hydrophobically modified guar, a high-molecular weight polysaccharide composed of mannose and galactose sugars, a heteropolysaccharide obtained by the fermentation of starch-derived sugars, xanthan, diutan, welan, gellan, scleroglucan, chitosan, dextran, a substituted galactomannan, an unsubstituted galactomannan, a starch, a cellulose, a cellulose ether, a carboxycellulose, a carboxymethyl cellulose, a hydroxyethyl cellulose, a hydroxypropyl cellulose, a carboxyalkylhydroxyethyl cellulose, carboxymethyl hydroxyethyl cellulose, methyl cellulose, polyacrylic acid, sodium polyacrylate, polyacrylamide, partially hydrolyzed polyacrylamide, polymethacrylamide, poly(acrylamido-2-methyl-propane sulfonate), poly(sodium-2-acrylamide-3-propylsulfonate), polyvinyl alcohol, a copolymer of acrylamide and acrylamido-2-methyl-propane sulfonate, a terpolymer of acrylamido-2-methyl-propane sulfonate, acrylamide and vinylpyrrolidone or itaconic acid, any derivative thereof, and any combination thereof. 
     
     
       3. The wellbore servicing fluid of  claim 1  wherein the viscosifying polymeric material is present in the wellbore servicing fluid in an amount of from about 0.01 wt. % to about 15 wt. %, based on the total weight of the wellbore servicing fluid. 
     
     
       4. The wellbore servicing fluid of  claim 1  wherein the crosslinker is present in the wellbore servicing fluid in an amount of from about 10 ppm to about 500 ppm, based on the total weight of the wellbore servicing fluid. 
     
     
       5. The wellbore servicing fluid of  claim 1  wherein the inorganic peroxide of a divalent metal M(II) characterized by the general formula MO 2  is sparingly soluble in water. 
     
     
       6. The wellbore servicing fluid of  claim 1  wherein the inorganic peroxide of a divalent metal M(II) characterized by the general formula MO 2  comprises a peroxide selected from the group consisting of: MgO 2 , CaO 2 , ZnO 2 , BaO 2 , and any combination thereof. 
     
     
       7. The wellbore servicing fluid of  claim 1  wherein the breaking agent is present in the wellbore servicing fluid in an amount of from about 0.1 pptg to about 50 pptg, based on the volume of the wellbore servicing fluid. 
     
     
       8. The wellbore servicing fluid of  claim 1  wherein the M(II) soluble salt comprises a salt selected from the group consisting of: MgCl 2 , MgBr 2 , MgI 2 , MgSO 4 , CaCl 2 , CaBr 2 , CaI 2 , ZnCl 2 , ZnBr 2 , ZnI 2 , BaCl 2 , BaBr 2 , BaI 2 , SrCl 2 , SrBr 2 , SrI 2 ; Mg(acetate) 2 , Mg(NO 3 ) 2 , Ca(acetate) 2 , Ca(NO 3 ) 2 , Ba(acetate) 2 , Ba(NO 3 ) 2 , Sr(acetate) 2 , Sr(NO 3 ) 2 , and any combination thereof. 
     
     
       9. The wellbore servicing fluid of  claim 1  wherein the M(II) precipitating salt comprises a salt selected from the group consisting of: a phosphate salt, a polyphosphate salt, a carbonate salt, a sulfate salt, an organic phosphate salt, an organic phosphonate salt, an organic carboxylate salt, a fatty acid carboxylate salt, an oxalate salt, and any combination thereof. 
     
     
       10. The wellbore servicing fluid of  claim 1  wherein the break rate controlling additive is present in the wellbore servicing fluid in an amount of from about 1 pptg to about 200 pptg, based on the volume of the wellbore servicing fluid. 
     
     
       11. The wellbore servicing fluid of  claim 1  wherein the wellbore servicing fluid further comprises gravel and is a gravel packing fluid. 
     
     
       12. The wellbore servicing fluid of  claim 1  wherein the wellbore servicing fluid is a fracturing fluid further comprising a proppant.